Dorman 911-492 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 911-492

The Dorman Vapor Canister Purge Valve 911-492 is designed for precise emission control in select Ford, Lincoln, and Mercury vehicles. This component plays a critical role in managing evaporative emissions for models like the Ford Taurus, Lincoln Mark VIII, and Mercury Sable.

• Connector hose inside diameter: 0.49 inches
• Single rectangular connector for secure fit
• Durable plastic housing material
• Two male terminals for reliable electrical connection
• One vacuum port with 0.19-inch diameter
• Inlet inside diameter of 0.40 inches
• Overall length of 3.15 inches
• Two mounting holes with 0.27-inch diameter each (mounting hardware not included)
• Includes one purge valve per package
• Two ports with outside diameters of 0.49 and 0.43 inches respectively

Detailed Product Description

The Dorman 911-492 vapor canister purge valve is engineered to regulate the flow of fuel vapors from the charcoal canister to the engine intake manifold. Its plastic housing ensures resistance to corrosion and heat, while the rectangular connector and two male terminals provide a secure and stable electrical connection. The valve features two ports and a vacuum connector designed to fit specific evaporative system configurations. With precise dimensions such as a 0.49-inch connector hose inside diameter and a 0.40-inch inlet inside diameter, this purge valve is tailored for compatibility with Ford Taurus, Lincoln Mark VIII, and Mercury Sable models.

Common Applications and Issues Addressed

• Prevents fuel vapor leaks that can trigger the check engine light
• Helps maintain proper fuel vapor flow for emission compliance
• Resolves rough idling caused by faulty purge valve operation
• Eliminates hard starting issues related to vapor canister malfunction
• Reduces evaporative emissions to support environmental standards

Installation Notes and Tips

Installation of the Dorman 911-492 purge valve requires removal of the old valve from the evaporative system. Note that mounting hardware is not included, so retain original fasteners or acquire suitable replacements. Ensure all vacuum and electrical connectors are securely attached to prevent leaks or electrical faults. Verify the orientation of the valve matches the original part to maintain proper system function. This part is compatible with Ford Taurus, Lincoln Mark VIII, and Mercury Sable models, so confirm vehicle fitment before installation.

Quality Assurance and Warranty

Dorman manufactures this vapor canister purge valve to meet or exceed OEM specifications for fit, form, and function. The plastic housing and terminal design are tested for durability under typical operating conditions. While specific warranty details are not provided here, Dorman products generally come with a limited warranty covering defects in material and workmanship. For exact warranty terms, consult the product documentation or manufacturer resources.